The gold trommel wash plant, the S8, is rated up to 300 tons per hour. It has a full power four point drive system, which eliminates the chain drive, and has a full variable speed control. ... Gold Trommel Wash Plants Modular designs from 100 to over 300 tons per hour. More Info. More Info. SHIPS EASY. Madden Steel Inc. Videos. 300 TPH. More Info.